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[Stable isotopes in biomedical diagnosis and research]
J A Martínez1, M K Hellerstein, I Monreal
1Dpto. Fisiología y Nutrición, Universidad de Navarra.
Revista De Medicina De La Universidad De Navarra
|July 1, 1995
Summary
Stable isotopes, differing in neutron count, are analyzed using mass spectrometry. This technique offers easy, non-invasive methods for diagnosing diseases and quantifying metabolic processes.
Area of Science:
- Analytical Chemistry
- Nuclear Physics
- Biochemistry
Context:
- Stable isotopes are chemically identical atoms with varying neutron numbers.
- Mass spectrometry is a key analytical technique for isotope analysis.
- Isotope analysis has diverse applications in medicine and metabolism.
Purpose:
- To highlight the role of stable isotopes in scientific analysis.
- To showcase mass spectrometry as a tool for isotope enrichment evaluation.
- To outline the broad clinical and metabolic applications of isotope analysis.
Summary:
- Stable isotopes, defined by neutron count, are non-radioactive.
- Mass spectrometry precisely measures isotope enrichment.
- Applications include diagnosing Helicobacter pylori, Phenylketonuria, and assessing metabolic functions like glucose utilization and body composition.
Impact:
- Enables non-invasive diagnosis of various pathological conditions.
- Facilitates accurate quantitation of complex metabolic pathways.
- Advances understanding of body composition and energy expenditure.